diff --git a/app/src/main/java/com/hippo/ehviewer/Settings.java b/app/src/main/java/com/hippo/ehviewer/Settings.java
index 93590ad71..f3c8ecb3f 100644
--- a/app/src/main/java/com/hippo/ehviewer/Settings.java
+++ b/app/src/main/java/com/hippo/ehviewer/Settings.java
@@ -392,7 +392,7 @@ public class Settings {
         putBoolean(KEY_ASK_ANALYTICS, value);
     }
 
-    private static final String KEY_ENABLE_ANALYTICS = "enable_analytics";
+    public static final String KEY_ENABLE_ANALYTICS = "enable_analytics";
     private static final boolean DEFAULT_ENABLE_ANALYTICS = false;
 
     public static boolean getEnableAnalytics() {
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java b/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java
index da48e6d5a..bee2ad4e6 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/fragment/AboutFragment.java
@@ -17,15 +17,32 @@
 package com.hippo.ehviewer.ui.fragment;
 
 import android.os.Bundle;
+import android.preference.Preference;
 import android.preference.PreferenceFragment;
 
+import com.hippo.ehviewer.Analytics;
 import com.hippo.ehviewer.R;
+import com.hippo.ehviewer.Settings;
 
-public class AboutFragment extends PreferenceFragment {
+public class AboutFragment extends PreferenceFragment implements Preference.OnPreferenceChangeListener {
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.about_settings);
+
+        Preference enableAnalytics = findPreference(Settings.KEY_ENABLE_ANALYTICS);
+        enableAnalytics.setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        String key = preference.getKey();
+        if (Settings.KEY_ENABLE_ANALYTICS.equals(key)) {
+            if (newValue instanceof Boolean && (Boolean) newValue) {
+                Analytics.start(getActivity());
+            }
+        }
+        return true;
     }
 }
diff --git a/app/src/main/java/com/hippo/preference/SimpleDialogPreference.java b/app/src/main/java/com/hippo/preference/SimpleDialogPreference.java
new file mode 100644
index 000000000..9e0cecc03
--- /dev/null
+++ b/app/src/main/java/com/hippo/preference/SimpleDialogPreference.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016 Hippo Seven
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.hippo.preference;
+
+import android.annotation.TargetApi;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.os.Build;
+import android.preference.DialogPreference;
+import android.util.AttributeSet;
+
+import com.hippo.ehviewer.R;
+import com.hippo.text.Html;
+
+// TODO Add html attr
+// TODO Add url clickable
+public class SimpleDialogPreference extends DialogPreference {
+
+    private CharSequence mMessage;
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public SimpleDialogPreference(Context context) {
+        super(context);
+        init(context, null, 0, 0);
+    }
+
+    public SimpleDialogPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context, attrs, 0, 0);
+    }
+
+    public SimpleDialogPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs, defStyleAttr, 0);
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public SimpleDialogPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SimpleDialogPreference, defStyleAttr, defStyleRes);
+        setMessage(a.getString(R.styleable.SimpleDialogPreference_message));
+        a.recycle();
+    }
+
+    public void setMessage(String message) {
+        mMessage = Html.fromHtml(message);
+    }
+
+    @Override
+    protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
+        super.onPrepareDialogBuilder(builder);
+        builder.setMessage(mMessage);
+        builder.setPositiveButton(android.R.string.ok, null);
+        builder.setNegativeButton(null, null);
+    }
+}
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index cc70aca72..2f0569731 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -277,6 +277,8 @@
     <string name="settings_download_document">文档</string>
 
     <string name="settings_about_title">关于</string>
+    <string name="settings_about_enable_analytics">启用数据统计</string>
+    <string name="settings_about_about_analytics">关于数据统计</string>
 
     <!-- Dir Picker-->
     <string name="dir_picker">选择文件夹</string>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 775d45074..0c3adc24c 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -65,6 +65,7 @@
     <string name="content_layout_restore_tip">點擊重試</string>
     <string name="write_rationale">EhViewer 將申請設備存儲空間訪問權限以便下載畫廊。你願意授權嗎？</string>
     <string name="you_rejected_me">好痛</string>
+    <string name="analytics_explain">你同意讓開發者收集你的設備信息與使用情況嗎？這將對開發有很大幫助。&lt;br&gt;&lt;br&gt;數據統計服務由 Google Analytics 提供，其隱私政策可在 &lt;a href=&quot;https://www.google.com/policies/privacy/&quot;&gt;https://www.google.com/policies/privacy/&lt;/a&gt; 查看。&lt;br&gt;&lt;br&gt;若您同意參與數據統計，您的設備信息與應用使用情況將會被記錄，其包括但不限於：Android API 版本、設備型號、語言所在地、本應用版本號、會話時長、應用功能使用次數。開發者承諾以下信息並不會被記錄：電話號碼、電子郵件地址、IMEI。&lt;br&gt;&lt;br&gt;在您同意參與數據統計之前，您的信息不會被記錄。&lt;br&gt;&lt;br&gt;被記錄的數據會由 Google Analytics 進行分析，分析報表僅可被本應用開發者訪問。</string>
 
     <!-- Gallery List -->
     <string name="gallery_list_search_bar_hint">搜索 ExHentai</string>
@@ -276,6 +277,8 @@
     <string name="settings_download_document">文檔</string>
 
     <string name="settings_about_title">關於</string>
+    <string name="settings_about_enable_analytics">啟用數據統計</string>
+    <string name="settings_about_about_analytics">關於數據統計</string>
 
     <!-- Dir Picker-->
     <string name="dir_picker">選擇文件夾</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 42d3f7ff0..76ad68fdb 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -65,6 +65,7 @@
     <string name="content_layout_restore_tip">點選重試</string>
     <string name="write_rationale">EhViewer 將申請裝置儲存空間訪問許可權以便下載畫廊。你願意授權嗎？</string>
     <string name="you_rejected_me">好痛</string>
+    <string name="analytics_explain">你同意讓開發者收集你的裝置資訊與使用情況嗎？這將對開發有很大幫助。&lt;br&gt;&lt;br&gt;資料統計服務由 Google Analytics 提供，其隱私政策可在 &lt;a href=&quot;https://www.google.com/policies/privacy/&quot;&gt;https://www.google.com/policies/privacy/&lt;/a&gt; 檢視。&lt;br&gt;&lt;br&gt;若您同意參與資料統計，您的裝置資訊與應用使用情況將會被記錄，其包括但不限於：Android API 版本、裝置型號、語言所在地、本應用版本號、會話時長、應用功能使用次數。開發者承諾以下資訊並不會被記錄：電話號碼、電子郵件地址、IMEI。&lt;br&gt;&lt;br&gt;在您同意參與資料統計之前，您的資訊不會被記錄。&lt;br&gt;&lt;br&gt;被記錄的資料會由 Google Analytics 進行分析，分析報表僅可被本應用開發者訪問。</string>
 
     <!-- Gallery List -->
     <string name="gallery_list_search_bar_hint">搜尋 ExHentai</string>
@@ -276,6 +277,8 @@
     <string name="settings_download_document">文件</string>
 
     <string name="settings_about_title">關於</string>
+    <string name="settings_about_enable_analytics">啟用資料統計</string>
+    <string name="settings_about_about_analytics">關於資料統計</string>
 
     <!-- Dir Picker-->
     <string name="dir_picker">選擇資料夾</string>
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
index dbdfb8ae9..a91dda631 100644
--- a/app/src/main/res/values/attrs.xml
+++ b/app/src/main/res/values/attrs.xml
@@ -108,6 +108,10 @@
         <attr name="disableDependentsState" format="boolean"/>
     </declare-styleable>
 
+    <declare-styleable name="SimpleDialogPreference">
+        <attr name="message" format="string"/>
+    </declare-styleable>
+
     <declare-styleable name="BatteryView">
         <attr name="color"/>
         <attr name="warningColor" format="color"/>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index e5fc2da00..2e03d3f1a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -316,6 +316,8 @@
     <string name="settings_download_document">Document</string>
 
     <string name="settings_about_title">About</string>
+    <string name="settings_about_enable_analytics">Enable analytics</string>
+    <string name="settings_about_about_analytics">About analytics</string>
 
     <!-- Dir Picker-->
     <string name="dir_picker">Dir picker</string>
diff --git a/app/src/main/res/xml/about_settings.xml b/app/src/main/res/xml/about_settings.xml
index 87b4e1ab6..087ee1b6c 100644
--- a/app/src/main/res/xml/about_settings.xml
+++ b/app/src/main/res/xml/about_settings.xml
@@ -18,9 +18,18 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <com.hippo.preference.FixedSwitchPreference
+        style="?android:attr/preferenceStyle"
+        android:widgetLayout="@layout/preference_widget_fixed_switch"
+        android:key="enable_analytics"
+        android:title="@string/settings_about_enable_analytics"
+        android:defaultValue="true"/>
 
-
-
-
+    <com.hippo.preference.SimpleDialogPreference
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        style="?android:attr/preferenceStyle"
+        android:key="about_analytics"
+        android:title="@string/settings_about_about_analytics"
+        app:message="@string/analytics_explain"/>
 
 </PreferenceScreen>